Contra Costa County
45 public works projects registered with the California Department of Industrial Relations, 2024–2026 · Martinez, Contra Costa County. Reported contract value: $20,643,737.
Projects by year
| Year | Projects | Reported contract value |
|---|---|---|
| 2026 | 12 | $853,491 |
| 2025 | 20 | $14,762,138 |
| 2024 | 13 | $5,028,108 |
DIR has published contract amounts since July 2024; earlier years count projects only.
Types of work
- Other · 22
- HVAC & mechanical · 6
- Buildings & facilities · 4
- Fire & life safety · 4
- Roofing · 2
- Sewer & wastewater · 1
- Paving & streets · 1
- Elevators & conveying · 1
- Parks, landscape & fields · 1
- Demolition & site work · 1
- Concrete & masonry · 1
- Storm drain & flood control · 1
Inferred by Atriam from each project's name and description, not reported by the agency.
Contractors it awards most
| Prime contractor | Projects | Reported contract value |
|---|---|---|
| MATRIX HG INC | 19 | $1,548,209 |
| HCI SYSTEMS INC | 5 | $321,725 |
| WATERPROOFING ASSOCIATES INC | 2 | $4,075,000 |
| MARK SCOTT CONSTRUCTION INC | 1 | $8,000,000 |
| MASSONE MECHANICAL INC | 1 | $239,307 |
| G & G BUILDERS INC | 1 | $112,498 |
| PETERSON MECHANICAL, INC. | 1 | $39,200 |
| BATTALION ONE FIRE PROTECTION INC | 1 | $33,788 |
| RESTORATION MANAGEMENT COMPANY | 1 | — |
Latest projects
| Date | Project | Prime contractor | Contract amount |
|---|---|---|---|
| Sep 17, 2026 | 3103 Willow Pass PlaygroundParks, landscape & fields | G & G BUILDERS INC | $112,498 |
| Aug 25, 2026 | 1000 Ward repair 4 biolersHVAC & mechanical | MATRIX HG INC | $34,729 |
| Aug 17, 2026 | 50 Douglas replace fan motorOther | MATRIX HG INC | $26,841 |
| Jul 27, 2026 | 3024 Willow Pass VRF#2Other | MATRIX HG INC | $16,142 |
| Jun 8, 2026 | 202 Make-Up Air UnitsOther | PETERSON MECHANICAL, INC. | $39,200 |
| May 13, 2026 | 202 Glacier AC#1Other | MATRIX HG INC | $24,827 |
| Apr 30, 2026 | 202 Glacier Fire Alarm RepairFire & life safety | HCI SYSTEMS INC | $27,230 |
| Mar 4, 2026 | 2101 Loveridge coil replacementsOther | MATRIX HG INC | $96,918 |
| Mar 3, 2026 | 40 Glacier sewer replacementSewer & wastewater | MATRIX HG INC | $109,958 |
| Mar 3, 2026 | 1000 Ward St. Replace SF-3 AHU and RF-3Other | MATRIX HG INC | $297,119 |
| Jan 13, 2026 | 595 Remove the pre-action systemFire & life safety | BATTALION ONE FIRE PROTECTION INC | $33,788 |
| Jan 9, 2026 | 2380 Replace condenserOther | MATRIX HG INC | $34,241 |
| Nov 17, 2025 | 2500 Valve ReplacementsOther | MATRIX HG INC | $91,430 |
| Nov 17, 2025 | 595 Center Avenue Ste. 100Buildings & facilities | MARK SCOTT CONSTRUCTION INC | $8,000,000 |
| Nov 1, 2025 | 202 Glacier- Underground pathwayOther | HCI SYSTEMS INC | $66,015 |
| Oct 9, 2025 | Antioch Veterans - Structural RepairsDemolition & site work | RESTORATION MANAGEMENT COMPANY | — |
| Sep 19, 2025 | 2500 Underground Isolation LineOther | — | $91,430 |
| Sep 10, 2025 | 40 Glacier split system replacementOther | MATRIX HG INC | $49,706 |
| Jul 31, 2025 | 2500 Alhambra Pipe ReplacementOther | — | $81,191 |
| Jul 3, 2025 | 151 Linus Pauling VAV & DDCOther | — | $218,195 |
| Jul 2, 2025 | 595 Center VAV & ductworkHVAC & mechanical | — | $69,990 |
| Jun 24, 2025 | 2311 Loveridge Rd. - Concrete repairsConcrete & masonry | — | $5,000,000 |
| Jun 5, 2025 | 202 Glacier TrenchingBuildings & facilities | HCI SYSTEMS INC | $12,360 |
| May 6, 2025 | 4800 Imhoff units 11 & 12HVAC & mechanical | — | $198,529 |
| May 2, 2025 | 2090 Commerce Ave, HVAC #3HVAC & mechanical | — | $54,524 |
Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.